On the discretization of the continuity equations in semi-Lagrangian models with a pressure-type vertical coordinate
Bénard, P. ; Yessad, K.
Année de publication
2001
This note presents an alternative way to perform discretization of the
column-integrated continuity equation in pressure-type vertical
coordinate semi-Lagrangian models. The properties of this alternative
form have not yet been pointed out in the literature to the authors'
knowledge, and the aim of this paper is to briefly review some of its
potential advantages or disadvantages for NWP modeling, namely with
respect to behavior with mountains and to mass-conservation properties.</div>
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